Patents by Inventor Chang-Man Khang
Chang-Man Khang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20220163830Abstract: An LCoS display pixel structure is disclosed. According to at least one embodiment, the present disclosure provides an LCoS display pixel structure which implements a pattern or geometry having an analog pixel structure in a display having micro-display LCoS structures.Type: ApplicationFiled: February 8, 2022Publication date: May 26, 2022Inventor: Chang Man KHANG
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Patent number: 7002852Abstract: A data output circuit includes a plurality of registers and a plurality of register output selection switches that are respectively connected to the plurality of registers. Pairs of the plurality of register output selection switches are connected by respective common active regions. A first data group selection switch is connected to the common active regions of a first set of the plurality of register output selection switches. A second data group selection switch is connected to the common active regions of a second subset of the plurality of register output selection switches. An output driver is connected to the first and second data group selection switches.Type: GrantFiled: July 31, 2003Date of Patent: February 21, 2006Assignee: Samsung Electronics Co., Ltd.Inventors: Chang-Man Khang, Joung-Yeal Kim
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Patent number: 6856164Abstract: A semiconductor integrated circuit includes at least one pad coupled to a bus line, a transmitter for transmitting a signal from an internal circuit to the outside through the pad, and a termination circuit for terminating the bus line. The transmitter and the termination circuit are disposed to surround the pad, reducing a size of the semiconductor integrated circuit.Type: GrantFiled: May 1, 2003Date of Patent: February 15, 2005Assignee: Samsung Electronics Co., LTDInventors: Youn-Sik Park, Chang-Man Khang
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Publication number: 20050024947Abstract: A data output circuit includes a plurality of registers and a plurality of register output selection switches that are respectively connected to the plurality of registers. Pairs of the plurality of register output selection switches are connected by respective common active regions. A first data group selection switch is connected to the common active regions of a first set of the plurality of register output selection switches. A second data group selection switch is connected to the common active regions of a second subset of the plurality of register output selection switches. An output driver is connected to the first and second data group selection switches.Type: ApplicationFiled: July 31, 2003Publication date: February 3, 2005Inventors: Chang-Man Khang, Joung-Yeal Kim
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Patent number: 6765833Abstract: An integrated circuit device includes first and second complementary data line pairs, e.g., global or local I/O data line pairs, disposed on a substrate and extending along a first direction, the first and second complementary data line pairs arranged such that first and second data lines of the first complementary data line pair have a first data line of the second complementary data line pair disposed therebetween. An equalization transistor includes respective first and second source/drain regions in the substrate that are coupled to respective ones of the first and second data lines of the first complementary data line pair and an equalization transistor gate electrode disposed on the substrate between the first and second data lines of the first complementary data line pair.Type: GrantFiled: July 10, 2003Date of Patent: July 20, 2004Assignee: Samsung Electronics Co., Ltd.Inventor: Chang-man Khang
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Publication number: 20040037123Abstract: An integrated circuit device includes first and second complementary data line pairs, e.g., global or local I/O data line pairs, disposed on a substrate and extending along a first direction, the first and second complementary data line pairs arranged such that first and second data lines of the first complementary data line pair have a first data line of the second complementary data line pair disposed therebetween. An equalization transistor includes respective first and second source/drain regions in the substrate that are coupled to respective ones of the first and second data lines of the first complementary data line pair and an equalization transistor gate electrode disposed on the substrate between the first and second data lines of the first complementary data line pair.Type: ApplicationFiled: July 10, 2003Publication date: February 26, 2004Inventor: Chang-Man Khang
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Publication number: 20040036498Abstract: A semiconductor integrated circuit includes at least one pad coupled to a bus line, a transmitter for transmitting a signal from an internal circuit to the outside through the pad, and a termination circuit for terminating the bus line. The transmitter and the termination circuit are disposed to surround the pad, reducing a size of the semiconductor integrated circuit.Type: ApplicationFiled: May 1, 2003Publication date: February 26, 2004Inventors: Youn-Sik Park, Chang-Man Khang
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Patent number: 6667895Abstract: An integrated circuit comprises a substrate having circuitry integrated with the substrate. Switching circuitry is selectably operable to configure signal paths to alternative mirrored pads over the substrate. At least one of the first and second signal paths may comprise a buffer in series between the switching circuit and its respective pad.Type: GrantFiled: July 10, 2002Date of Patent: December 23, 2003Assignee: Samsung Electronics Co., Ltd.Inventors: Seong-Jin Jang, Young-Hyun Jun, Chang-Man Khang
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Publication number: 20030107908Abstract: An integrated circuit comprises a substrate having circuitry integrated with the substrate. Switching circuitry is selectably operable to configure signal paths to alternative mirrored pads over the substrate. At least one of the first and second signal paths may comprise a buffer in series between the switching circuit and its respective pad.Type: ApplicationFiled: July 10, 2002Publication date: June 12, 2003Applicant: Samsung Electronics Co., Ltd.Inventors: Seong-Jin Jang, Young-Hyun Jun, Chang-Man Khang
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Patent number: 6111808Abstract: Disclose is a semiconductor memory device including a plurality of memory cell arrays, row and column decoders for selecting/driving each memory cell, and a plurality of bit line sensing amplifier arrays for sensing data of each memory cell, the semiconductor memory device comprising: a plurality of sub word line driver sections for driving each memory cell with a sub word line enable selection signal (SWLE) decoded by LSB address and with a global word line signal (GWLb) decoded by MSB address in the row decoder; a row decoding precharge signal generating section (RDPRi/VBFi) for applying a precharge signal to the row decoder and a voltage Vbb to the GWLb signal by means of the MSB address PXb; a level shifting section for shifting and transmitting an output signal from the column decoder to column selection lines which connects the column decoder with the bit line sensing amplifier array in series; and a data input/output controlling section for selectively applying an active signal to the bit line sensingType: GrantFiled: March 1, 1999Date of Patent: August 29, 2000Assignee: Hyundai Electronics Industries Co., Ltd.Inventors: Chang Man Khang, Young Hyun Jun
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Patent number: 6075736Abstract: The semiconductor memory according to the present invention employs a plurality of sense amplifier drivers which individually control the sense amplifiers, or control groups of sense amplifiers, in the semiconductor memory. More specifically, the sense amplifier drivers control whether associated sense amplifiers are connected to sense amplifier array input/output lines. In this manner fewer sense amplifiers are connected to the sense amplifier array input/output lines, reducing overall current consumption.Type: GrantFiled: October 27, 1998Date of Patent: June 13, 2000Assignee: LG Semicon Co., Ltd.Inventors: Ha-Soo Kim, Jae-Goo Lee, Chang-Man Khang, Tae-Hyoung Kim
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Patent number: 6049503Abstract: The wordline driving circuit includes a noise prevention circuit in each control circuit of a subwordline drive selector. When a row signal from a sub-row decoder indicates that the associated control circuits are not to drive wordlines associated therewith, the noise prevention circuit in each control circuit is triggered to remove noise from the wordline.Type: GrantFiled: October 5, 1998Date of Patent: April 11, 2000Assignee: LG Semicon Co., Ltd.Inventor: Chang Man Khang
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Patent number: 6011743Abstract: The present invention relates to a charge pump circuit for memory device, more particularly to a circuit charging cell capacitors or bitlines up to a full level of power supply voltage by means of compensating for the loss caused by the threshold voltages of memory transistors with the elevated potential higher than the power supply voltage.Type: GrantFiled: August 7, 1998Date of Patent: January 4, 2000Assignee: LG Semicon Co., Ltd.Inventor: Chang-Man Khang
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Patent number: 5963494Abstract: A semiconductor device is provided having a symmetric bitline precharge circuit. Sizes of a parasitic devices near transistors lying symmetrically in the bitline precharge circuit are symmetrical to each other. Further, a layout area occupied by the bitline precharge circuit or a chip is reduced or minimized by the symmetric layout. The device can include a memory having first and second bitline extending in parallel a first direction a bitline precharge voltage supplying line and a bitline equalizing signal line extending in parallel in a second direction perpendicular to the first direction. A gate has at least a first part extending in the first direction, a second part having a first predetermined length extending in the second direction coupled to the first part and a third part having a second predetermined length extending in the second direction coupled to the first part with contact areas at uncoupled ends.Type: GrantFiled: March 1, 1999Date of Patent: October 5, 1999Assignee: LG Semicon Co., Ltd.Inventor: Chang-Man Khang
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Patent number: 5889724Abstract: A word line driving circuit for a semiconductor memory is provided that drives a corresponding word line of a first number of word lines coupled to a plurality of memory cells based on a memory address signal generated from a more significant controller. The memory cells have a matrix form of rows and columns and the first number of word lines are divided into a second number of word line groups. The word line driving circuit includes a second number of word line group driving circuits each respectively coupled to one of the second number of word line groups to drive one of the word lines in the word line group selected by a control signal. A word line selecting circuit determines which of the second word line groups contain the corresponding word line to be driven using the memory address signal and generates the control signal for the corresponding word line group driving circuit.Type: GrantFiled: December 17, 1997Date of Patent: March 30, 1999Assignee: LG Semicon Co., Ltd.Inventors: Chang-Man Khang, Chang-Jin Lee
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Patent number: 5883845Abstract: A semiconductor device is provided having a symmetric bitline precharge circuit. Sizes of a parasitic devices near transistors lying symmetrically in the bitline precharge circuit are symmetrical to each other. Further, a layout area occupied by the bitline precharge circuit or a chip is reduced or minimized by the symmetric layout. The device can include a memory having first and second bitline extending in parallel a first direction a bitline precharge voltage supplying line and a bitline equalizing signal line extending in parallel in a second direction perpendicular to the first direction. A gate has at least a first part extending in the first direction, a second part having a first predetermined length extending in the second direction coupled to the first part and a third part having a second predetermined length extending in the second direction coupled to the first part with contact areas at uncoupled ends.Type: GrantFiled: July 31, 1998Date of Patent: March 16, 1999Assignee: LG Semicon Co., Ltd.Inventor: Chang-Man Khang